de.odysseus.el.tree.impl

Class Builder

java.lang.Object

de.odysseus.el.tree.impl.Builder

All Implemented Interfaces:

TreeBuilder, Serializable

public class Builder
extends Object
implements TreeBuilder

Tree builder.

Author:

Christoph Beck

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Builder.Feature Feature enumeration type.

Field Summary

Fields

Modifier and Type	Field and Description
protected EnumSet<Builder.Feature>	features

Constructor Summary

Constructors

Constructor and Description
Builder()
Builder(Builder.Feature... features)

Method Summary

Methods

Modifier and Type	Method and Description
Tree	build(String expression) Parse expression.
protected Parser	createParser(String expression)
boolean	equals(Object obj)
int	hashCode()
boolean	isEnabled(Builder.Feature feature)
static void	main(String[] args) Dump out abstract syntax tree for a given expression

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

features

protected final EnumSet<Builder.Feature> features

Constructor Detail

Builder

public Builder()

Builder

public Builder(Builder.Feature... features)

Method Detail

isEnabled

public boolean isEnabled(Builder.Feature feature)

Returns:

true iff the specified feature is supported.

build

public Tree build(String expression)
           throws TreeBuilderException

Parse expression.

Specified by:

build in interface TreeBuilder

Parameters:

expression - expression string

Returns:

tree corresponding to the given expression

Throws:

TreeBuilderException

createParser

protected Parser createParser(String expression)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

main

public static void main(String[] args)

Dump out abstract syntax tree for a given expression

Parameters:

args - array with one element, containing the expression string